Amorphous letermovir and solid pharmaceutical formulations thereof for oral administration
申请人:AICURIS ANTI-INFECTIVE CURES GMBH
公开号:US10442773B2
公开(公告)日:2019-10-15
The present invention provides for amorphous Letermovir and orally administrable solid pharmaceutical formulations thereof (immediate release formulation). Said amorphous Letermovir is suitable for immediate release formulations when isolated out of an organic solution by either roller-drying said organic solution in a volatile organic solvent, in particular acetone, at a temperature of 30° C. to 60° C., and subsequently drying the amorphous Letermovir obtained, or isolating said amorphous Letermovir by precipitation from water miscible solvents selected from acetone or acetonitrile into excess water as anti-solvent, and subsequently filtrating or centrifuging the amorphous Letermovir obtained.
The immediate release formulations of amorphous Letermovir are intended for use in methods of prophylaxis or methods of treatment of diseases associated with the group of Herpesviridae, preferably associated with cytomegalovirus (CMV), even more preferably associated with human cytomegalovirus (HCMV).
本发明提供了无定形 Letermovir 及其口服固体药物制剂(速释制剂)。将无定形 Letermovir 从有机溶液中分离出来时,可通过在 30° C 至 60° C 的温度下,在挥发性有机溶剂(尤其是丙酮)中滚筒干燥所述有机溶液,然后干燥得到的无定形 Letermovir,或将所述无定形 Letermovir 从有机溶液中分离出来时,可用于速释制剂、或将无定形 Letermovir 从丙酮或乙腈等可与水混溶的溶剂中沉淀到过量的水中作为反溶剂,分离出无定形 Letermovir,然后过滤或离心得到无定形 Letermovir。
无定形 Letermovir 的速释制剂用于预防或治疗与疱疹病毒科有关的疾病,最好是与巨细胞病毒 (CMV)有关的疾病,甚至最好是与人类巨细胞病毒(HCMV)有关的疾病。